Charging socket

Abstract

The utility model belongs to the technical field of electric engineering machinery charging, and discloses a charging socket, which comprises a shell, a power terminal and two power cables. The shell is provided with a containing cavity, and a first communicating hole communicating with the containing cavity is formed in the rear end of the shell; the power terminal is arranged in the accommodating cavity, and the power terminal is provided with a conductive plate; each power terminal is correspondingly provided with two power cables, and the first end of each power cable is provided with a first connecting part. According to the charging socket, the first connecting parts of the two power cables can be simultaneously connected with the two side surfaces of the conductive plate of one power terminal respectively, so that a single-gun large-current charging technology is realized; the first connecting parts are arranged to be eccentric, and the sides, far away from the center line of the power cable, of the first connecting parts are conductively connected with the conductive plate, so that the thickness of the conductive plate and the two first connecting parts after superposition can be reduced, and the occupied space is reduced; in addition, the first connecting part and the power cable are of an integrally-formed structure, the structure is simple, and assembling is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric engineering machinery charging technical field especially, relate to a charging socket. BACKGROUND

[0002] Electric engineering machinery has the characteristics of large power consumption and fast power consumption when working, therefore, in order to improve the working time of electric engineering machinery, electric engineering machinery needs faster energy supplement speed, that is, the demand charging current reaches 400-500A.

[0003] In order to meet the demand of charging current, the prior art generally adopts high-voltage distribution box to realize, and the power cable is divided into multiple parallel cables by setting high-voltage distribution box, this mode can realize the demand of large current charging, but the mode of increasing high-voltage distribution box will correspondingly bring the substantial increase of cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a charging socket, which can realize large current charging without increasing distribution box.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] The charging socket comprises:

[0007] A shell is provided with a containing cavity, and the rear end of the shell is provided with a first communication hole communicating with the containing cavity;

[0008] A power terminal is arranged in the containing cavity, and the power terminal is provided with a conductive plate;

[0009] Two power cables are arranged on each power terminal, and the first end of the power cable is provided with a first connecting part;

[0010] The first connecting part and the power cable are an integral molding structure, the first connecting part is arranged on one side of the first end of the power cable, the first end of the power cable can pass through the first communication hole and extend into the containing cavity, and the first connecting part of the two power cables is respectively electrically connected with the two opposite sides of the conductive plate, away from the center line of the corresponding power cable.

[0011] As an optional scheme, the first connecting part of the two power cables is respectively welded with the two sides of the conductive plate.

[0012] As an optional scheme, the rear end of the shell is provided with a first protruding part, and the first protruding part is provided with the first communication hole.

[0013] As an option, a first tail cover connected to the first protruding part is further included, and the first tail cover is provided with two first wire-through holes in communication with the first communication hole.

[0014] As an option, a first sealing structure is arranged between the first tail cover and the first protruding part.

[0015] As an option, a stop rib is arranged on the inner wall of the first communication hole of the first protruding part, and the first tail cover is provided with an annular boss on the side facing the first protruding part, and the first sealing structure is arranged between the stop rib and the annular boss.

[0016] As an option, two power terminals are arranged, and the power cable is provided with four power cables, and each power terminal is in conductive connection with two power cables.

[0017] As an option, the shell includes a front shell and a rear shell, and the front shell and the rear shell are connected to each other to form the accommodating cavity, and the rear end of the rear shell is provided with the first communication hole.

[0018] As an option, a second sealing structure is arranged between the front shell and the rear shell.

[0019] As an option, a connector corresponding to the power cable is further included, the second end of the power cable is provided with a second connecting part, and the second connecting part is in conductive connection with the connector.

[0020] The beneficial effects of the utility model:

[0021] The charging socket provided by the utility model realizes single-gun large-current charging technology by connecting the first connecting part of two power cables with the two side surfaces of the conductive plate of one power terminal respectively; the first connecting part is arranged eccentrically, and the first connecting part is in conductive connection with the conductive plate on the side away from the center line of the power cable, so that the thickness of the conductive plate and the two first connecting parts after superposition is reduced, and the occupied space is reduced; in addition, the first connecting part and the power cable are an integral molding structure, which is simple in structure and convenient to assemble. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the charging socket provided by the utility model embodiment;

[0023] Figure 2 is an exploded view of the shell of the charging socket provided by the utility model embodiment;

[0024] Figure 3 is a connection schematic view of the power terminal and the power cable related by the utility model embodiment;

[0025] Figure 4 is a structural schematic view of the rear shell, and

[0026] Figure 5 is a structural schematic view of the first tail cover.

[0027] In the drawings:

[0028] 1, shell; 11, front shell; 12, rear shell; 121, first protruding part; 1211, first communication hole; 1212, stop rib; 122, second protruding part; 1221, second communication hole; 13, second sealing structure;

[0029] 2, power terminal; 21, conductive plate;

[0030] 3, power cable; 31, first connecting part; 32, second connecting part; 321, copper plate;

[0031] 4, first tail cover; 41, annular boss; 42, first wire hole;

[0032] 5, first sealing structure;

[0033] 6, second tail cover;

[0034] 7, connector; 71, connecting plate. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar parts or parts having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0036] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the description of the utility model, unless another explicit provision and limitation, the first feature is in the second feature "on" or "under" can include the first feature and the second feature direct contact, also can include the first feature and the second feature is not direct contact but is through the contact between other features of them.And, the first feature is in the second feature "on", "above" and "on" include the first feature is in the second feature directly above and obliquely above, or just indicate that the first feature horizontal height is higher than the second feature.The first feature is in the second feature "under", "below" and "under" include the first feature is in the second feature directly below and obliquely below, or just indicate that the first feature horizontal height is less than the second feature.

[0038] The technical scheme of the utility model is further illustrated below by specific embodiments in combination with the drawings.

[0039] As Figures 1-5 Indicated, the utility model discloses a charging socket, it includes casing 1, power terminal 2 and two power cables 3.

[0040] Among them, casing 1 is provided with containing cavity, and the rear end of casing 1 is provided with the first communication hole 1211 that communicates with containing cavity;Power terminal 2 is arranged in containing cavity, and power terminal 2 is provided with conducting plate 21;Each power terminal 2 is correspondingly provided with two power cables 3, and the first end of power cable 3 is provided with first connecting part 31, and the first end of two power cables 3 can pass through first communication hole 1211 and extend into containing cavity, and the first connecting part 31 of two power cables 3 is respectively connected with the two side surfaces of conducting plate 21 opposite.

[0041] First connecting part 31 and power cable 3 are integrally formed structure, and first connecting part 31 is arranged to the side of the first end of power cable 3, that is, first connecting part 31 is eccentric distribution, and the side of first connecting part 31 away from the center line of power cable 3 is connected with the side of conducting plate 21 corresponding.

[0042] The charging socket can simultaneously connect the first connecting part 31 of two power cables 3 with the two side surfaces of the conducting plate 21 of one power terminal 2 respectively, realizes single gun large current charging technology;And first connecting part 31 is arranged eccentrically, and the side of first connecting part 31 away from the center line of power cable 3 is connected with conducting plate 21, which can reduce the thickness of conducting plate 21 and two first connecting parts 31 after superposition, reduce the occupied space;In addition, first connecting part 31 and power cable 3 are integrally formed structure, simple structure, and convenient assembly.

[0043] Optionally, the first connecting part 31 of the two power cables 3 is respectively welded with the two sides of the conductive plate 21. When welding, the first connecting part 31 is attached to and welded with the conductive plate 21 by being attached to the side of the first connecting part 31 away from the center line of the power cable 3, thereby realizing the conductive connection between the power cable 3 and the conductive plate 21. The welding makes the connection firm, and does not need to increase the connecting piece, thereby further reducing the occupied space. The welding process realizes that one power terminal 2 welds two power cables 3. By slightly improving the power terminal 2 and the shell 1, the single-gun large-current charging technology is realized with minimal changes.

[0044] In the embodiment, two power terminals 2 are provided, and four power cables 3 are provided. The two power terminals 2 are arranged at intervals in the accommodating cavity. The two sides of the conductive plate 21 of each power terminal 2 are respectively welded with two power cables 3. The structure realizes that one group of large-diameter positive and negative power cables 3 is split into two groups of small-diameter positive and negative power cables 3.

[0045] Optionally, as shown in Figure 2 The shell 1 includes a front shell 11 and a rear shell 12. The front shell 11 and the rear shell 12 are connected to each other to form the accommodating cavity. The shell 1 is provided as the split front shell 11 and the rear shell 12, so that the assembly is convenient.

[0046] In order to make the sealing performance of the shell 1 better, the second sealing structure 13 is arranged between the front shell 11 and the rear shell 12. The second sealing structure 13 can play a role in dustproof and waterproof.

[0047] Further, as shown in Figure 4 and in combination with Figure 2 The rear end of the rear shell 12 is provided with a first protruding part 121. The end of the first protruding part 121 away from the rear shell 12 is provided with a first communication hole 1211. The first protruding part 121 arranged at the rear end of the rear shell 12 can meet the welding space and electrical clearance required by the power cable 3.

[0048] Since the power terminal 2 is provided with two, two first protruding parts 121 distributed along the transverse direction are correspondingly arranged at the rear end of the rear shell 12.

[0049] Optionally, the charging socket further includes two first tail covers 4. The first tail cover 4 is provided with two first wire holes 42 in communication with the first communication hole 1211. The two first tail covers 4 are respectively arranged at the end of the two first protruding parts 121. The four power cables 3 are arranged in two groups. The first end of the two power cables 3 in each group of power cables 3 is respectively arranged in the two first wire holes 42 of the corresponding first tail cover 4 and extends into the accommodating cavity through the first communication hole 1211. By arranging the first tail cover 4, the pulling force can be prevented from being directly transmitted to the connection between the power cable 3 and the conductive plate 21 when the power cable 3 is pulled, thereby reducing the risk of being pulled off.

[0050] In order to improve the sealing performance of the first communication hole 1211, a first sealing structure 5 is arranged between the first tail cover 4 and the first protruding part 121, which can effectively prevent dust or water from entering the accommodating cavity through the first communication hole 1211.

[0051] Further, the first protruding part 121 is provided with a stop rib 1212 on the inner wall of the first communication hole 1211, referring to Figure 5 , the first tail cover 4 is provided with an annular boss 41 on the side facing the first protruding part 121, the first sealing structure 5 can be installed in the first communication hole 1211, when the first tail cover 4 is connected with the first protruding part 121, the annular boss 41 extends into the first communication hole 1211, and the first sealing structure 5 is clamped between the stop rib 1212 and the annular boss 41, which can make the sealing performance higher by extruding the first sealing structure 5.

[0052] Optionally, the stop rib 1212 is arranged in multiple around the circumferential direction of the first communication hole 1211, and the multiple stop ribs 1212 simultaneously stop the first sealing structure 5, so that the first sealing structure 5 is more stable during installation; and the stop rib 1212 also has the effect of increasing the strength of the first protruding part 121.

[0053] In the embodiment, the rear end of the rear shell 12 is further provided with a second protruding part 122, which is arranged above the two first protruding parts 121, and the second protruding part 122 is provided with multiple second communication holes 1221, and the signal cable is arranged in the second communication hole 1221 and extends into the accommodating cavity.

[0054] Further, the charging socket further comprises a second tail cover 6, which is provided with a second wire passing hole, and the second tail cover 6 is arranged at the end of the second protruding part 122 away from the rear shell 12, and the signal cable is arranged in the second wire passing hole and the second communication hole 1221 and extends into the accommodating cavity.

[0055] In the embodiment, referring again to Figure 1 , the charging socket further comprises a connector 7 corresponding to each power cable 3, and the second end of the power cable 3 is provided with a second connecting part 32, which is conductively connected with the connector 7, and the connector 7 can be connected with the battery interface of the electric engineering machinery to realize the charging function.

[0056] Optionally, the second connecting part 32 can be welded with a copper plate 321, and the copper plate 321 and the connecting plate 71 of the connector 7 are connected by screws; or the second connecting part 32 is directly welded with the connecting plate 71 of the connector 7.

[0057] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A charging socket, characterized in that, The utility model relates to a power terminal, including: The shell (1) is provided with the accommodating cavity, and the rear end of the shell (1) is provided with the first communication hole (1211) that communicates with the accommodating cavity; The power terminal (2) is arranged in the accommodating cavity, and the power terminal (2) is provided with the electrically conductive plate (21); The power cable (3) is two for each power terminal (2), and the first end of the power cable (3) is provided with the first connecting part (31); The first connecting part (31) is integrally formed with the power cable (3), the first connecting part (31) is arranged on the side of the first end of the power cable (3), the first end of the power cable (3) can pass through the first communication hole (1211) and extend into the accommodating cavity, and the first connecting part (31) of the two power cables (3) is respectively electrically conductively connected with the two side surfaces of the electrically conductive plate (21) away from the center line of the corresponding power cable (3).

2. The charging outlet of claim 1, wherein, The first connecting part (31) of the two power cables (3) is respectively welded with the two side surfaces of the electrically conductive plate (21).

3. The charging outlet of claim 1, wherein, The rear end of the shell (1) is provided with the first protruding part (121), and the first protruding part (121) is provided with the first communication hole (1211).

4. The charging outlet of claim 3, wherein, Further comprising the first tail cover (4) connected with the first protruding part (121), the first tail cover (4) is provided with two first wire holes (42) that communicate with the first communication hole (1211).

5. The charging outlet of claim 4, wherein, The first sealing structure (5) is arranged between the first tail cover (4) and the first protruding part (121).

6. The charging outlet of claim 5, wherein, The first protruding part (121) is provided with the stop rib (1212) on the inner wall of the first communication hole (1211), one side of the first tail cover (4) towards the first protruding part (121) is provided with the annular boss (41), and the first sealing structure (5) is clamped between the stop rib (1212) and the annular boss (41).

7. The charging outlet of claim 1, wherein, The power terminal (2) is provided with two, the power cable (3) is provided with four, and each power terminal (2) is respectively electrically conductively connected with two power cables (3).

8. The charging outlet of claim 1, wherein, The shell (1) includes a front shell (11) and a rear shell (12), the front shell (11) and the rear shell (12) are connected by buckling to form the accommodating cavity, and the rear end of the rear shell (12) is provided with the first communication hole (1211).

9. The charging outlet of claim 8, wherein, The second sealing structure (13) is arranged between the front shell (11) and the rear shell (12).

10. The charging outlet of claim 1, wherein, Further comprising the connector (7) corresponding to the power cable (3), the second end of the power cable (3) is provided with the second connecting part (32), and the second connecting part (32) is electrically conductively connected with the connector (7).

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